SELECT ALL THAT APPLY
Sales tax is 7%. If c represents the retail cost of an item, which of the following expressions represent(s) the total cost of the item? multi choice answer
c - 0.07c
0.07c
c + 0.07c
1.07c
0.93c

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

Select all expressions that are equivalent to 2(3x + 7y). question 1 options: 6x + 14y 6x + 7y 1(6x + 14y)

Sara goes on a slingshot ride in an amusement park. she is strapped into a spherical ball that has a radius 3*10^2 of centimeters. what is the volume of air in the spherical ball? use this formula: volume of a sphere=4/3pi,r^3 , where r is the sphere’s radius.